Unitary valve and mixing chamber



Dec. 15, 1931. F. R. TOMLINSON. Re. 18,285

UNITARY VALVE AND MIXING CHAMBER Original Filed May 51, 1924 10 14 FE /M /2 75/71/0750.

' Thisinvention relates to mixing valves and Reissuecl Dec. 15, 1931 UNITED STATES 'rnanxn. TOMLINSON, or BAY CITY, MICHIGAN UmrimvvALvE AND-MIXING cnAMBEn Orig-Ina] No. 1,594,648; datdAug-ugtii, 1926, Serial 1m.

' filed July 2a, 1928.

the like and particularly to a valve for use where both hot and cold water connections are available.

\ One object of theinvention resides in the Yd hot or cold water may be provision of a device whereby cold and hot water may be admitted'to a mixing chamber in the proportions required to provide water of the desired temperature, or whereby either discharged independently of the other. I

Another object is to provide means where by hot or cold water, or water of medium temperature may be secured by use of but one valve or faucet. Y

A further object is to design a very simple, substantial and economical mixing valve for use in hotels, homesand in fact anywhere that it is desired to provide water at different temperatures at the pleasure of the user.

A still further object is to provide a mixing chamber having hot and cold water inlets and also provide unitary controlling means for regulating the water admitted to the mixing chamber and controlling the discharge of the mixed water after the mixing has been effected.

The above and other objects will appear as the specification progresses, reference being had to the accompanying drawings, in which like reference numerals indicate like parts throughout the several views thereof.

In the drawings:

Fig. 1 is a side view of my improved valve.

Fig. 2 is also apart section fragmentary side view thereof.

Fig. 3 is an end view taken on the line 3--3 of Fig. 2.

Fig. 4 is a detail side view of the mixing chamber and nipple connection.

Fig. 5 is a front view thereof.

Fig. 6 is: also a front view of the valve, showing in full lines the position of the valve when discharging water of medium temperature, the dotted lines illustrating the positions when discharging hot or cold water.

In hotels and public buildings where both hot and cold water connections are available, it is customary to provide two valves, the water discharging intoa basin, the valves 717,022,.fi1ed May 31, 1924. Application for reissue Serial No. 296,023. i

being regulated so that the water of the desired temperature is provided.

For sanitary reasons when shaving, washing, etc.,it is desirable to take water directly from the faucet, and before it discharges into the basin, and where the hot and'cold water discharge from individual faucets, this is not possible as the water is either too hot or too cold, and I have therefore designed a combined sanitary valve and mixing chamber, by means ofwhich water of any desired suitable temperature can be secured, by merely rotating the valve slightly in one direction or the other.

Referring now particularly to the drawings in which I have shown the preferred embodiment of my invention, thenumeral 1 indicates a mixing chamber having openings 2 and 3 on opposite sides thereof, both of which are internally threaded to receive pipes 4 and 5 respectively which connect with the hot and cold'wate'r reservoirs respectively, said openings terminating in elongated slotted'openings 6 communicating with the centrally disposed passage 7 formed in' the mixing chamber. r

In thepresent illustration the device is shown in connection with an ordinary household sink, the back of which is indicated by the numeral 8, and against which the mixing chamber is placed.

i A pipe nipple 9 extends through asuitable opening in the back of the sink and is threaded into the centrally disposed passage 7 ofthe mixing chamber, a shoulder 9 being provided intermediate the length of this nipple 9 and a washer 10 is mounted thereon and is held tightly in position against the sink'by means of a-nut 11 as shown, the end of this nipple 9. being externally threaded and formed with spaced apart projecting shoulder portions 12 for a purpose to be presently described. I

A sleeve member 13 is brazed to a conven tional faucet 14, and this canbe of any pre ferred type, either self-closing or hand manipulated, the sleeve 13 extending through the nipple 9 and into the mixingchamber, and being formed with spaced apart elongated slots 15 adapted when the valveis in up-.

' cold water connections.

I nipp .itingthe rotation thereof.

right position to register with the hot and A collar 16 is formed integral with or otherwise secured to this member 13 intermediate its ends, and is formed with slotted portions 17 which are adapted to register with and receive :the shoulder portions 12 able washer and packinglS) being. interposed to'form a water tightjoint, and it willbe obvious that the width of the slotsl'? determines the degree of rotation of'the valve, the

washer 10 having suitable indicia thereon to 7 indicate when the valve is turned to position to discharge hot, cold, or warm water.

The slots in thesleeve 13 are "of course somewhat wider than the openings 6 and are so spaced that when the handle of the valve" is in vertical position both hot and cold water in equal proportions is admitted to the passage 7, but when the'handleis swung or rotated, oneslot remainsopen while the oppo-- site slot, which admits water from the opposite supply pipe is being. closed an'd vice versa, the discharge of this mixed water being controlled by thexvalve in the faucet.

From the foregoing description it will be obvious that I have perfected a very. simple, cheap andv convenient unitaryv'a-lve and mixing chamber forsecuring water'of'any de'-v l-ting the movementofthe rotary sleeve.

sired temperature from but-one faucet.

-What Iclaim is:,- f

1. In a device of the character described, a mixing chamber formed with a central passage, slotted inlet ports communicating therewith, a: nipple threaded into said mixing chamber, a sleeve mounted in said nipple andextending'into said passage and having slots adapted to register with said ports when turned to predetermined positions, and

ber and provided with shoulders on the outer end thereof, a sleeve rotatably mounted in said nipple, means on said sleeve adapted to engage the nipple for limiting the rotation of said sleeve and means for providing a water tight joint between the nipple and the sleeve.

5. The combination with a faucet, of a mixing chamber formed with a centrally disposed passage, slotted hot and cold water connections opening thereinto, a nipple secured tosaid mixing chamber and provided with spaced apart, shoulders on the end therebaa sleevemounted therein and extending into said passage, spaced apart openings in the sleeve adapted to communicate with said water. connections, a, collar ontheiopposite end of the-sleeve and formed with cut away portions adapted to receive said shoulders, and means for providing-'21. water tight joint between the :nipple and thefaucet. 6., In a device of the character described,

a mixing chamber having hot and cold water ports, a sleeve extending into the mixing chamber and capable of rotary movement for controlling said ports, avalve'on said sleeve for regulating the discharge of water from said chamber, a fixed sleeve surrounding the said sleeve, and a collar carried by the rotary sleeve and located at one end of thewfixed sleeve,'-said-collar and rotarysleeve having co )'peratingv means arranged to abut for lim- FRANK ii. ToMLnison.

means for limiting the rotation of said sleeve. v

r -2.' In a device of the'ch'aracter described, amixing chamber having a centrally disposed passage, hot and cold water slotted inlet ports opening thereinto, a nipple threaded into said mixing chamber, and a sleeve rotatably mounted in said nipple :and extending into 'said passage, said sleeve being provided with slotsadapted in,a certain position to register with said ports.

The combination with a faucet, of .a mixing chamber having a centrally disposed passage, slotted ports openingthereinto, .a V

nipple secured to said chamber, a sleevero-i tatably mounted therein and extending into said passage for controlling said ports,a: collarfixedwon saidsleeve, andmeans on the le adapted to engage the collar for lim- 4;; The combination'with a faucet'ofa mix ingchamber having acentrally disposed passage, slotted hot and cold water ports opening thereinto,'a nipple secured to said chamd 

